Koha Co., Ltd.

Hiroki Iwazaki

Kentaro Tone

A lighting device includes a translucent member having the same cross sectional tubular shape throughout a longitudinal direction and including a lens that includes a light incident surface for receiving incident light and a pair of light exit surface for diffusing and emitting the light incident on the light incident surface to the outside, and a light-emitting portion mounted on a substrate and emitting the light toward a region including the light incident surface of the translucent member, where in the translucent member includes a pair of light guide portions for guiding the light incident on the light incident surface to a pair of the light exit surfaces so that the light incident on the light incident surface is diffused and emitted from the pair of light exit surfaces in a width direction that is orthogonal to the longitudinal direction.

Growing community of inventors

Tokyo, Japan

Hiroki Iwazaki